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beta - used in production

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org.tynamo:tapestry-resteasy:0.2.1
Works with RestEASY 2.0.1.GA and Tapestry 5.2.x
(for 0.0.1 release see tapestry-resteasy-0.0.1 guide)

User guide for Tapestry-resteasy module

tapestry-resteasy provides integration with JBoss' RESTEasy, an implementation JAX-RS (Java API for RESTful Web Services). JAX-RS is a very nice little spec and if you know what it is about, the following should be very easy to understand. Otherwise, read up on it at Jersey's overview (the reference implementation) or the actual specification. JBoss' RESTEasy provides a few more features over the reference implementation.

Add the tapestry-resteasy dependency to your pom.xml

To use tapestry-resteasy (an independent module of Tynamo), you need to add the following dependency to your pom.xml:

No need to edit your web.xml.

The new tapestry-resteasy integrates with the Tapestry's HttpServletRequest pipeline.

Create a package named "rest" for your rest services.

tapestry-resteasy will scan the "rest" package and automatically add singleton resources to the configuration.

If you want to add extra packages, besides InternalConstants.TAPESTRY_APP_PACKAGE_PARAM + ".rest", to be scanned for annotated REST resource classes you can contribute your package names to the ResteasyPackageManager.

Code your singleton resource.

Good practices:

  • Name the resource class using the entity name followed by the word "Resource".
  • The @Path should be the entity name in lowercase.

Annotate your entities.

Don't forget to annotate your entities with JAXB annotations. You need at least @XmlRootElement. See: http://www.caucho.com/resin-3.1/doc/jaxb-annotations.xtp

Add a provider library to your pom.xml

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By default tapestry-resteasy does not includes any marshaller/unmarshaller dependency.
You will need to manually add the dependency to your pom.xml

The previous examples use a JSON marshaller/unmarshaller provided by the resteasy-jettison-provider library.

Contribute singleton resources

If the rest services autodiscovery is not enough for you, you can manually contribute singleton resources in your AppModule:

Live class reloading

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Available since tapestry-resteasy 0.2.1!

The only thing you need to do to enable live class reloading for your REST services is to bind them as regular Tapestry IoC services and contribute them to javax.ws.rs.core.Application.class.

Here is an example from the tapestry-resteasy test suite.

One more thing: DO NOT put this service in the autodiscovery package.

Enjoy

Notes:

If you get this exception:

Add this to your system properties:

like so:

mvn jetty:run

Check google for more information: http://www.google.com/search?hl=en&q=com.sun.xml.stream.ZephyrParserFactory+cannot+be+cast+to+org.codehaus.stax2.XMLInputFactory2&aq=f&oq=&aqi=

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